Home / 3,786.23-5,684.81-3,305.09

Finding the Fourth Proportional to 3,786.23, 5,684.81 and 3,305.09

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Solution

The fourth proportional to 3,786.23, 5,684.81 and 3,305.09 is: 4,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.23 : 5,684.81 = 3,305.09 : x
  2. Step 2: Convert to fraction form
    3,786.23/5,684.81 = 3,305.09/x
  3. Step 3: Cross multiply
    3,786.23x = 5,684.81 × 3,305.09
  4. Step 4: Simplify right side
    3,786.23x = 18,788,763.73
  5. Step 5: Solve for x
    x = 18,788,763.73/3,786.23
  6. Step 6: Final answer
    x = 4,962.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.